BIND problem

[Mark.Andrews at nominum.com]

> In article <9kcuh5$gge at pub3.rc.vix.com>,
> Simon Waters  <Simon at wretched.demon.co.uk> wrote:
> >
> >Barry Margolin wrote:
> >> 
> >> In article <9ka6jp$2q1 at pub3.rc.vix.com>,
> >> Simon Waters  <Simon at wretched.demon.co.uk> wrote:
> >> >However I don't have that much sympathy for computer
> >> >administrators who when asked to give a 32 bit positive integer
> >> >get it wrong.
> >> 
> >> You've never made a typo (accidentally inserting an extra digit) or
> >> miscounted digits in a long number?  You must be the only one.
> >
> >No I never said that, indeed I clearly stated that I make lots
> >of typos, but I don't consistently get it wrong, which would be
> >needed to "screw lots of sites". 
> 
> I only know what I see, which is that these types of serial numbers show up
> on a weekly basis.  And I only notice them when the customers are
> correcting them back to proper values.  I've been thinking of writing a
> script to scan all our secondary zone files for serial numbers that look
> like the results of common overflows, but haven't gotten around to it.
> 
> >I'd also be concerned if data I entered in a file wasn't
> >presented back to me as I'd entered it.
> 
> In the real world, most DNS administrators don't even check the log for
> error messages, let alone do a dig to see if the results look like what
> they typed.  If we didn't check things on our secondary servers, most of
> our customers would never know when they messed up their primaries.  And
> our customers are primarily Fortune 1000, universities, and government
> agencies.

	I just used "find /var/named/cache -type f -mtime +3" to catch this
	sort of error.  Very few refresh timers are > 1 day and this allows
	a error on Friday to be found Monday and be fixed without hitting
	the radar on the secondary.

> 
> -- 
> Barry Margolin, barmar at genuity.net
> Genuity, Woburn, MA
> *** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
> Please DON'T copy followups to me -- I'll assume it wasn't posted to the grou
> p.
> 
--
Mark Andrews, Nominum Inc.
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com